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Audacity rocks, is all I can say. Just added the spin-up and spin-down
effects to "Vampire Megabyte". Cool.

After experimenting unsuccessfully with various samples of a tablesaw
spinning up and down, I decided to work directly in Audacity. Spin-up
started with a 3-second sawtooth chirp going from 110Hz to 880Hz. I then
applied a couple of distortion-type effects (with very little success),
followed by gverb. That worked, very nicely.

After that it was just a combination of pitch and tempo changes to stretch
it out to the right length. The spin-down was, of course, a shorter chirp
in the opposite direction.

Well, it's actually a 56K, but it should be backward-compatible. Or I could do a little digging and get back at least to a 2400, which I know is backward compatible. Now, if only I could find that old acoustic coupler, I'd be all set...

when 1200 baud first hit the market, I had a KayPro-4 (With an INTERNAL! 300 baud modem!)... I remember that about half the time, I would have to actually whistle into my handset in order for my modem to "hear" the board I was calling.